short note- ionic solids, covalent network solids,molecular solids, and metallic solids
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Answer:
Explanation:
Ionic solids:
Ionic Solids are solids composed of oppositely charged ions. They consist of positively charged cations and negatively charged anions .When Ionic Solids are dissolved in water the cations and the anions separate, they become free to move about in the water allowing the solution to conduct electrical current.
Covalent network solids:
A network solid or covalent network solid is a chemical compound in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material. In a network solid there are no individual molecules, and the entire crystal or amorphous solid may be considered a macromolecule.
Molecular solids:
A molecular solid is a solid consisting of discrete molecules. The cohesive forces that bind the molecules together are van der Waals forces, dipole-dipole interactions, quadrupole interactions, π-π interactions, hydrogen bonding, halogen bonding, London dispersion forces, and in some molecular solids, coulombic interactions.
Metallic solids:
Metallic solids are solids composed of metal atoms that are held together by metallic bonds. These bonds are like huge molecular orbitals that span across the whole solid. This means the electrons in metallic solids are delocalized.
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Answer:
The key difference between ionic and metallic solids is that ionic solids essentially contain cations and anions, whereas metallic solids contain metal atoms and free electrons. Moreover, the ionic solids have electrostatic attraction forces between cations and anions, while the metallic solids have metallic bonds